org.apache.ambari.server.state

Class ServiceImpl

java.lang.Object

org.apache.ambari.server.state.ServiceImpl

All Implemented Interfaces:

Service

public class ServiceImpl
extends Object
implements Service

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.ambari.server.state.Service

Service.Type

Method Summary

Modifier and Type	Method and Description
void	addServiceComponent(ServiceComponent component)
ServiceComponent	addServiceComponent(String serviceComponentName)
void	addServiceComponents(Map<String,ServiceComponent> components)
boolean	canBeRemoved() Find out whether the service and its components are in a state that it can be removed from a cluster
ServiceResponse	convertToResponse()
void	debugDump(StringBuilder sb)
void	delete(DeleteHostComponentStatusMetaData deleteMetaData)
void	deleteAllComponents(DeleteHostComponentStatusMetaData deleteMetaData)
void	deleteServiceComponent(String componentName, DeleteHostComponentStatusMetaData deleteMetaData)
Cluster	getCluster()
long	getClusterId()
RepositoryVersionEntity	getDesiredRepositoryVersion()
StackId	getDesiredStackId()
State	getDesiredState()
String	getDisplayName()
MaintenanceState	getMaintenanceState()
String	getName()
RepositoryVersionState	getRepositoryState() Gets the repository for the desired version of this service by consulting the repository states of all known components.
ServiceComponent	getServiceComponent(String componentName)
Map<String,ServiceComponent>	getServiceComponents()
Set<String>	getServiceHosts()
boolean	isClientOnlyService()
boolean	isCredentialStoreEnabled() Get a true or false value specifying whether credential store use is enabled for this service.
boolean	isCredentialStoreRequired() Get a true or false value specifying whether credential store is required by this service.
boolean	isCredentialStoreSupported() Get a true or false value specifying whether credential store is supported by this service.
boolean	isKerberosEnabled() Tests to see if Kerberos is enabled for this service using the Kerberos enabled test metadata and the existing cluster configurations.
boolean	isKerberosEnabled(Map<String,Map<String,String>> configurations) Tests to see if Kerberos is enabled for this service using the Kerberos enabled test metadata and the supplied configurations map.
protected void	removeEntities()
void	setCredentialStoreEnabled(boolean credentialStoreEnabled) Set a true or false value specifying whether this service is to be enabled for credential store use.
void	setDesiredRepositoryVersion(RepositoryVersionEntity repositoryVersionEntity)
void	setDesiredState(State state)
void	setMaintenanceState(MaintenanceState state) Sets the maintenance state for the service
void	updateServiceInfo() Refresh Service info due to current stack

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

updateServiceInfo

public void updateServiceInfo()
                       throws org.apache.ambari.server.AmbariException

Refresh Service info due to current stack

Specified by:

updateServiceInfo in interface Service

Throws:

org.apache.ambari.server.AmbariException

getName

public String getName()

Specified by:

getName in interface Service

getDisplayName

public String getDisplayName()

Specified by:

getDisplayName in interface Service

getClusterId

public long getClusterId()

Specified by:

getClusterId in interface Service

getServiceComponents

public Map<String,ServiceComponent> getServiceComponents()

Specified by:

getServiceComponents in interface Service

getServiceHosts

public Set<String> getServiceHosts()

Specified by:

getServiceHosts in interface Service

addServiceComponents

public void addServiceComponents(Map<String,ServiceComponent> components)
                          throws org.apache.ambari.server.AmbariException

Specified by:

addServiceComponents in interface Service

Throws:

org.apache.ambari.server.AmbariException

addServiceComponent

public void addServiceComponent(ServiceComponent component)
                         throws org.apache.ambari.server.AmbariException

Specified by:

addServiceComponent in interface Service

Throws:

org.apache.ambari.server.AmbariException

addServiceComponent

public ServiceComponent addServiceComponent(String serviceComponentName)
                                     throws org.apache.ambari.server.AmbariException

Specified by:

addServiceComponent in interface Service

Throws:

org.apache.ambari.server.AmbariException

getServiceComponent

public ServiceComponent getServiceComponent(String componentName)
                                     throws org.apache.ambari.server.AmbariException

Specified by:

getServiceComponent in interface Service

Throws:

org.apache.ambari.server.AmbariException

getDesiredState

public State getDesiredState()

Specified by:

getDesiredState in interface Service

setDesiredState

public void setDesiredState(State state)

Specified by:

setDesiredState in interface Service

getDesiredStackId

public StackId getDesiredStackId()

Specified by:

getDesiredStackId in interface Service

getDesiredRepositoryVersion

public RepositoryVersionEntity getDesiredRepositoryVersion()

Specified by:

getDesiredRepositoryVersion in interface Service

Returns:

setDesiredRepositoryVersion

public void setDesiredRepositoryVersion(RepositoryVersionEntity repositoryVersionEntity)

Specified by:

setDesiredRepositoryVersion in interface Service

getRepositoryState

public RepositoryVersionState getRepositoryState()

Gets the repository for the desired version of this service by consulting the repository states of all known components.

Specified by:

getRepositoryState in interface Service

convertToResponse

public ServiceResponse convertToResponse()

Specified by:

convertToResponse in interface Service

getCluster

public Cluster getCluster()

Specified by:

getCluster in interface Service

isCredentialStoreSupported

public boolean isCredentialStoreSupported()

Get a true or false value specifying whether credential store is supported by this service.

Specified by:

isCredentialStoreSupported in interface Service

Returns:

true or false

isCredentialStoreRequired

public boolean isCredentialStoreRequired()

Get a true or false value specifying whether credential store is required by this service.

Specified by:

isCredentialStoreRequired in interface Service

Returns:

true or false

isCredentialStoreEnabled

public boolean isCredentialStoreEnabled()

Get a true or false value specifying whether credential store use is enabled for this service.

Specified by:

isCredentialStoreEnabled in interface Service

Returns:

true or false

setCredentialStoreEnabled

public void setCredentialStoreEnabled(boolean credentialStoreEnabled)

Set a true or false value specifying whether this service is to be enabled for credential store use.

Specified by:

setCredentialStoreEnabled in interface Service

Parameters:

credentialStoreEnabled - - true or false

debugDump

public void debugDump(StringBuilder sb)

Specified by:

debugDump in interface Service

canBeRemoved

public boolean canBeRemoved()

Description copied from interface: Service

Find out whether the service and its components are in a state that it can be removed from a cluster

Specified by:

canBeRemoved in interface Service

Returns:

deleteAllComponents

public void deleteAllComponents(DeleteHostComponentStatusMetaData deleteMetaData)

Specified by:

deleteAllComponents in interface Service

deleteServiceComponent

public void deleteServiceComponent(String componentName,
                                   DeleteHostComponentStatusMetaData deleteMetaData)
                            throws org.apache.ambari.server.AmbariException

Specified by:

deleteServiceComponent in interface Service

Throws:

org.apache.ambari.server.AmbariException

isClientOnlyService

public boolean isClientOnlyService()

Specified by:

isClientOnlyService in interface Service

delete

public void delete(DeleteHostComponentStatusMetaData deleteMetaData)

Specified by:

delete in interface Service

removeEntities

protected void removeEntities()
                       throws org.apache.ambari.server.AmbariException

Throws:

org.apache.ambari.server.AmbariException

setMaintenanceState

public void setMaintenanceState(MaintenanceState state)

Description copied from interface: Service

Sets the maintenance state for the service

Specified by:

setMaintenanceState in interface Service

Parameters:

state - the state

getMaintenanceState

public MaintenanceState getMaintenanceState()

Specified by:

getMaintenanceState in interface Service

Returns:

the maintenance state

isKerberosEnabled

public boolean isKerberosEnabled()

Description copied from interface: Service

Tests to see if Kerberos is enabled for this service using the Kerberos enabled test metadata and the existing cluster configurations.

Specified by:

isKerberosEnabled in interface Service

Returns:

true. if it is determined that Kerberos is enabled for this service; false, otherwise

See Also:

Service.isKerberosEnabled(Map)

isKerberosEnabled

public boolean isKerberosEnabled(Map<String,Map<String,String>> configurations)

Description copied from interface: Service

Tests to see if Kerberos is enabled for this service using the Kerberos enabled test metadata and the supplied configurations map.

Specified by:

isKerberosEnabled in interface Service

Parameters:

configurations - a map of configurations to use for the test

Returns:

true. if it is determined that Kerberos is enabled for this service; false, otherwise

See Also:

Service.isKerberosEnabled()